{
  "id": 1095,
  "rank": 515,
  "name": "Purple Cloud",
  "aka": [
    "PRC_Purple cloud"
  ],
  "family": "A",
  "subtype": "A6",
  "one_liner": "Generates buy and sell signals based on SuperTrend and moving averages in volatile or trending markets.",
  "market_regime": "volatile|trending",
  "timeframes": [
    "any"
  ],
  "symbols": [
    "any"
  ],
  "sessions": [
    "any"
  ],
  "indicators": [
    {
      "name": "SuperTrend",
      "params": {
        "atrperiod": 10,
        "factor": 3
      },
      "applied_to": "close"
    },
    {
      "name": "EMA",
      "params": {
        "period": 20,
        "name": "EMA 20"
      },
      "applied_to": "close"
    },
    {
      "name": "EMA",
      "params": {
        "period": 50,
        "name": "EMA 50"
      },
      "applied_to": "close"
    },
    {
      "name": "EMA",
      "params": {
        "period": 200,
        "name": "EMA 200"
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "close <= xl and close > b1 * (1 + bpt * 0.01)"
  ],
  "entry_short": [
    "close >= xh and close < b1 * (1 - spt * 0.01)"
  ],
  "exit_rules": [
    "xs <> xs[1]"
  ],
  "filters": [
    "not specified"
  ],
  "stop_loss": "not specified",
  "take_profit": "not specified",
  "position_size": "not specified",
  "evidence_type": "source_code",
  "completeness": 80.0,
  "signal_warnings": null,
  "claim_warnings": null,
  "opacity_warnings": null,
  "build_warnings": null,
  "canonical": "https://prismaticalgos.com/compendium/algo/1095-purple-cloud",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.prorealcode.com/prorealtime-indicators/purple-cloud-indicator/",
  "limitations": "These are machine-extracted research records, not verified trading systems. Catalog rank measures specification detail and claimed evidence, not profitability. The catalog extraction pipeline did not independently backtest these records. Its separate selected testing ledger does not validate the wider corpus. Rules, labels and parameters can be incomplete or wrong; consult the original source and its reuse terms."
}